/* Shared site chrome: navigation, footer, cursor, theme toggle, and contact modal */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

:root {
  --bg: #f9f9fb;
  --bg2: #f2f2f5;
  --bg3: #f5f5f8;
  --ink: #1d1d1f;
  --ink2: #3a3a3c;
  --muted: #86868b;
  --border: #d2d2d7;
  --blue: #0066cc;
  --blue-hover: #0055aa;
  --blue-light: #f0f7ff;
  --blue-mid: #cce0ff;
  --green: #1d8348;
  --amber: #b7770d;
  --radius: 18px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-blue: 0 8px 32px rgba(0, 102, 204, 0.15);
  --shadow-lift: 0 16px 48px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] {
  --bg: #000000;
  --bg2: #0d0d0d;
  --bg3: #111111;
  --ink: #ffffff;
  --ink2: #e0e0e0;
  --muted: #bbbbbb;
  --border: #2a2a2a;
  --blue: #4d9fff;
  --blue-hover: #66aaff;
  --blue-light: #0d1a2e;
  --blue-mid: #1a3050;
  --green: #34c759;
  --amber: #ffd60a;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-blue: 0 8px 32px rgba(77, 159, 255, 0.2);
  --shadow-lift: 0 16px 48px rgba(0, 0, 0, 0.7);
}

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg2);
  border: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all 0.2s;
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--blue-light);
  border-color: var(--blue-mid);
  transform: scale(1.1);
}

@media (pointer: fine) {
  body {
    cursor: none;
  }
}

@media (pointer: coarse) {
  #cur,
  #cur-ring {
    display: none !important;
  }
}

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 6px;
}

#cur {
  width: 8px;
  height: 8px;
  background: var(--blue);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 99999;
  will-change: transform;
  transition: width 0.2s, height 0.2s;
}

#cur-ring {
  width: 28px;
  height: 28px;
  border: 1.5px solid var(--blue);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 99998;
  will-change: transform;
  opacity: 0.4;
  transition: width 0.25s, height 0.25s, opacity 0.25s;
}

#cur.big {
  width: 14px;
  height: 14px;
}

#cur-ring.big {
  width: 44px;
  height: 44px;
  opacity: 0.25;
}

nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 500;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 2.5rem;
  height: 52px;
  background: rgba(249, 249, 251, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  will-change: transform;
}

[data-theme="dark"] nav {
  background: rgba(0, 0, 0, 0.8);
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  justify-self: start;
  text-decoration: none;
}

.nav-logo span {
  color: var(--blue);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  list-style: none;
  justify-self: center;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink2);
  text-decoration: none;
  padding: 0.4rem 0.9rem;
  height: auto;
  display: flex;
  align-items: center;
  transition: all 0.2s;
  letter-spacing: -0.01em;
  border-radius: 6px;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  transform: translateX(-50%);
}

.nav-links a:hover {
  color: var(--blue);
  background: transparent;
}

.nav-links a:hover::after {
  width: 70%;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  justify-self: end;
}

.nav-menu-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg2);
  border: 1px solid var(--border);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  transition: all 0.2s;
  flex-shrink: 0;
}

.nav-menu-toggle span {
  width: 16px;
  height: 2px;
  background: var(--ink2);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-menu-toggle:hover {
  background: var(--blue-light);
  border-color: var(--blue-mid);
}

.nav-menu-toggle.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-menu-toggle.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-cta {
  background: var(--blue);
  color: white !important;
  padding: 0.45rem 1.2rem;
  border-radius: 980px;
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
  box-shadow: 0 2px 10px rgba(0, 102, 204, 0.3);
  letter-spacing: -0.01em;
}

.nav-cta:hover {
  background: var(--blue-hover);
  box-shadow: 0 4px 16px rgba(0, 102, 204, 0.4);
  transform: translateY(-1px);
}

footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 1.2rem 5rem 1.2rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: -0.01em;
}

footer a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

footer a:hover {
  color: var(--blue);
}

.foot-links {
  display: flex;
  gap: 1.5rem;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(6px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 2.5rem;
  width: 100%;
  max-width: 480px;
  margin: 1rem;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.2);
  position: relative;
  transform: translateY(24px) scale(0.97);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.open .modal-box {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.8rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.modal-close:hover {
  background: var(--blue-light);
  color: var(--blue);
}

.modal-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.modal-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

.modal-sub {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.8rem;
  line-height: 1.5;
}

.modal-options {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.modal-option {
  appearance: none;
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  padding: 1rem 1.2rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
  color: inherit;
}

.modal-option:hover {
  border-color: var(--blue);
  background: var(--blue-light);
}

.modal-opt-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.modal-opt-body {
  flex: 1;
}

.modal-opt-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.2rem;
}

.modal-opt-val {
  font-size: 0.75rem;
  color: var(--muted);
}

.modal-opt-action {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--blue);
  white-space: nowrap;
}

.modal-avail {
  text-align: center;
  font-size: 0.78rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-avail .a-dot {
  width: 8px;
  height: 8px;
  background: #34c759;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.4;
    transform: scale(0.7);
  }
}

@media (max-width: 600px) {
  nav {
    padding: 0 1.2rem;
    grid-template-columns: 1fr auto;
  }

  .nav-logo,
  .nav-right,
  .nav-links,
  .modal-box,
  .modal-option,
  .foot-links {
    min-width: 0;
  }

  .nav-logo {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 52px;
    left: 0;
    right: 0;
    z-index: 499;
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 0.6rem 1.2rem 0.2rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  [data-theme="dark"] .nav-links {
    background: var(--bg);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 0.8rem 0;
    justify-content: center;
    text-align: center;
  }

  .nav-links li:last-child a {
    padding-bottom: 0.4rem;
  }

  .nav-links a::after {
    display: none;
  }

  .nav-right {
    gap: 0.6rem;
  }

  .nav-menu-toggle {
    display: flex;
  }

  footer {
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    padding: 1.5rem 2rem;
    max-width: 100%;
    text-align: center;
  }

  .modal-box {
    max-width: calc(100vw - 2rem);
    padding: 2rem;
  }

  .modal-opt-val,
  .modal-avail,
  .foot-links {
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .modal-avail {
    gap: 0.5rem;
    text-align: center;
  }

  .modal-avail .a-dot {
    flex: 0 0 auto;
    margin-right: 0 !important;
  }

  .modal-avail span:last-child {
    max-width: 32ch;
  }

  .foot-links {
    justify-content: center;
  }
}

@media (max-width: 380px) {
  .nav-cta {
    display: none;
  }
}